CVE-2020-27814

Name: CVE-2020-27814
Creator: NVD / NIST
Published: 2021-01-26T18:15:46.613+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.02%

Last modified Jun 17, 2026

CVE-2020-27814 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw to cause an application crash or in some cases execute arbitrary code with the permission of the user running such an application.. EPSS estimates a 2.02% chance of exploitation in the next 30 days.

Description

A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw to cause an application crash or in some cases execute arbitrary code with the permission of the user running such an application.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

2.02%

78.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-122

Affected Software

Vendor	Product	Versions
Uclouvain	Openjpeg	<= 1.5.1
Uclouvain	Openjpeg	>= 2.0.0, < 2.4.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1901998Issue Tracking, Patch, Third Party Advisory
https://github.com/uclouvain/openjpeg/issues/1283Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00011.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202101-29Third Party Advisory
https://www.debian.org/security/2021/dsa-4882Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1901998Issue Tracking, Patch, Third Party Advisory
https://github.com/uclouvain/openjpeg/issues/1283Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00011.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202101-29Third Party Advisory
https://www.debian.org/security/2021/dsa-4882Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory

Timeline

Published: Jan 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27814?

How severe is CVE-2020-27814?

CVE-2020-27814 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.02% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27814?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-27814?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST